Local Minnesota History
Dakota County Historical Society
Minnesota Historical Society

Photography
vi.sualize.us - user-bookmarked pictures
The Open Eye Photography Blog
deviantART
The Gigapixel Project - really big pictures
Digital Photography Review - great site for camera info

Computer Geekery
Apple Computer - the mothership
MacInTouch - great troubleshooting info
MacCentral - mac news
Mac OSX Hints - what the name says

Music
Michael Hill - yes, I'm biased, but he's really good
Backstreets - great Springsteen site
Rush - canadian progressive rockers, eh
Pandora - custom internet radio

Movies
ViewAskew, NewsAskew  - The World of Kevin Smith
IMDb - The Internet Movie Database
The Force.Net - Star Wars geeks, unite

Humor
The Onion - america's finest news source
Penny Arcade - great online comic, usually gamer-related

Branding & Design
Brand Flakes for Breakfast
Make The Logo Bigger

Gadgets and Geekiness
Gizmodo
Geekologie - Gadgets, Gizmos & Awesome
Think Geek - Stuff for Smart Masses